GB280891A - Improvements relating to calculating machines - Google Patents

Improvements relating to calculating machines

Info

Publication number
GB280891A
GB280891A GB29012/27A GB2901227A GB280891A GB 280891 A GB280891 A GB 280891A GB 29012/27 A GB29012/27 A GB 29012/27A GB 2901227 A GB2901227 A GB 2901227A GB 280891 A GB280891 A GB 280891A
Authority
GB
United Kingdom
Prior art keywords
key
machine
circuit
calculating
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB29012/27A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinische Metallwaaren and Maschinenfabrik AG
Original Assignee
Rheinische Metallwaaren and Maschinenfabrik AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DER69330D external-priority patent/DE457868C/de
Priority claimed from US207426A external-priority patent/US1773392A/en
Application filed by Rheinische Metallwaaren and Maschinenfabrik AG filed Critical Rheinische Metallwaaren and Maschinenfabrik AG
Publication of GB280891A publication Critical patent/GB280891A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/40—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/14—Construction of key levers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C25/00—Auxiliary functional arrangements, e.g. interlocks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C27/00—Computing machines characterised by the structural interrelation of their functional units, e.g. invoicing machines
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C9/00—Transfer mechanisms, e.g. for transmitting figures from the input mechanism into the computing mechanism
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/09—Digital output to typewriters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y10T74/20238—Interlocked
    • Y10T74/20244—Push button

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Input From Keyboards Or The Like (AREA)
GB29012/27A 1926-11-18 1927-10-31 Improvements relating to calculating machines Expired GB280891A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DER69330D DE457868C (de) 1926-11-18 1926-11-18 Rechenmaschine fuer alle Rechnungsarten
US207426A US1773392A (en) 1926-11-18 1927-07-21 Calculating machine for all species
US271315A US1808213A (en) 1926-11-18 1928-04-19 Calculating machine for all species

Publications (1)

Publication Number Publication Date
GB280891A true GB280891A (en) 1928-01-26

Family

ID=27212227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29012/27A Expired GB280891A (en) 1926-11-18 1927-10-31 Improvements relating to calculating machines

Country Status (3)

Country Link
US (1) US1808213A (fr)
FR (1) FR642609A (fr)
GB (1) GB280891A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698715A (en) * 1955-01-04 Machine release mechanism
US2642226A (en) * 1953-06-16 Keyboard
US2552789A (en) * 1951-05-15 Key-responsive cycle initiating
US2727688A (en) * 1955-12-20 Keyboard control mechanism
US2654539A (en) * 1948-08-30 1953-10-06 Ncr Co Ordinally-selective key-responsive cycle initiating mechanism
US2717121A (en) * 1949-01-19 1955-09-06 Ibm Keyboard
US3143986A (en) * 1962-03-12 1964-08-11 Singer Company Of Canada Ltd Stitch control mechanism for blindstitch sewing machines

Also Published As

Publication number Publication date
FR642609A (fr) 1928-08-31
US1808213A (en) 1931-06-02

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